
#include <strings.h>

void *(memcpy)(void *s1, const void *s2, size_t n)
{
	char *su1;
	const char *su2;

	for(su1 = s1, su2 = s2; 0 < n; ++su1, ++su2, --n)
		*su1 = *su2;
	
	return (s1);
}
